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Source code for galaxy.webapps.tool_shed.api.tools
import json
import logging
from collections import namedtuple
from galaxy import (
exceptions,
util,
web
)
from galaxy.tools.parameters import params_to_strings
from galaxy.tools.repositories import ValidationContext
from galaxy.web import _future_expose_api_raw_anonymous_and_sessionless as expose_api_raw_anonymous_and_sessionless
from galaxy.web.base.controller import BaseAPIController
from galaxy.webapps.tool_shed.search.tool_search import ToolSearch
from tool_shed.dependencies.repository import relation_builder
from tool_shed.tools import tool_validator
from tool_shed.util import (
common_util,
metadata_util,
repository_util,
shed_util_common as suc
)
from tool_shed.utility_containers import ToolShedUtilityContainerManager
log = logging.getLogger(__name__)
[docs]class ToolsController(BaseAPIController):
"""RESTful controller for interactions with tools in the Tool Shed."""
[docs] @expose_api_raw_anonymous_and_sessionless
def index(self, trans, **kwd):
"""
GET /api/tools
Displays a collection of tools with optional criteria.
:param q: (optional)if present search on the given query will be performed
:type q: str
:param page: (optional)requested page of the search
:type page: int
:param page_size: (optional)requested page_size of the search
:type page_size: int
:param jsonp: (optional)flag whether to use jsonp format response, defaults to False
:type jsonp: bool
:param callback: (optional)name of the function to wrap callback in
used only when jsonp is true, defaults to 'callback'
:type callback: str
:returns dict: object containing list of results and metadata
Examples:
GET http://localhost:9009/api/tools
GET http://localhost:9009/api/tools?q=fastq
"""
q = kwd.get('q', '')
if not q:
raise exceptions.NotImplemented('Listing of all the tools is not implemented. Provide parameter "q" to search instead.')
else:
page = kwd.get('page', 1)
page_size = kwd.get('page_size', 10)
try:
page = int(page)
page_size = int(page_size)
except ValueError:
raise exceptions.RequestParameterInvalidException('The "page" and "page_size" have to be integers.')
return_jsonp = util.asbool(kwd.get('jsonp', False))
callback = kwd.get('callback', 'callback')
search_results = self._search(trans, q, page, page_size)
if return_jsonp:
response = str('%s(%s);' % (callback, json.dumps(search_results)))
else:
response = json.dumps(search_results)
return response
def _search(self, trans, q, page=1, page_size=10):
"""
Perform the search over TS tools index.
Note that search works over the Whoosh index which you have
to pre-create with scripts/tool_shed/build_ts_whoosh_index.sh manually.
Also TS config option toolshed_search_on has to be True and
whoosh_index_dir has to be specified.
"""
conf = self.app.config
if not conf.toolshed_search_on:
raise exceptions.ConfigDoesNotAllowException('Searching the TS through the API is turned off for this instance.')
if not conf.whoosh_index_dir:
raise exceptions.ConfigDoesNotAllowException('There is no directory for the search index specified. Please contact the administrator.')
search_term = q.strip()
if len(search_term) < 3:
raise exceptions.RequestParameterInvalidException('The search term has to be at least 3 characters long.')
tool_search = ToolSearch()
Boosts = namedtuple('Boosts', ['tool_name_boost',
'tool_description_boost',
'tool_help_boost',
'tool_repo_owner_username_boost'])
boosts = Boosts(float(conf.get('tool_name_boost', 1.2)),
float(conf.get('tool_description_boost', 0.6)),
float(conf.get('tool_help_boost', 0.4)),
float(conf.get('tool_repo_owner_username_boost', 0.3)))
results = tool_search.search(trans,
search_term,
page,
page_size,
boosts)
results['hostname'] = web.url_for('/', qualified=True)
return results
[docs] @expose_api_raw_anonymous_and_sessionless
def json(self, trans, **kwd):
"""
GET /api/tools/json
Get the tool form JSON for a tool in a repository.
:param guid: the GUID of the tool
:param guid: str
:param tsr_id: the ID of the repository
:param tsr_id: str
:param changeset: the changeset at which to load the tool json
:param changeset: str
"""
guid = kwd.get('guid', None)
tsr_id = kwd.get('tsr_id', None)
changeset = kwd.get('changeset', None)
if None in [changeset, tsr_id, guid]:
message = 'Changeset, repository ID, and tool GUID are all required parameters.'
trans.response.status = 400
return {'status': 'error', 'message': message}
tsucm = ToolShedUtilityContainerManager(trans.app)
repository = repository_util.get_repository_in_tool_shed(self.app, tsr_id)
repository_clone_url = common_util.generate_clone_url_for_repository_in_tool_shed(repository.user, repository)
repository_metadata = metadata_util.get_repository_metadata_by_changeset_revision(trans.app, tsr_id, changeset)
toolshed_base_url = str(web.url_for('/', qualified=True)).rstrip('/')
rb = relation_builder.RelationBuilder(trans.app, repository, repository_metadata, toolshed_base_url)
repository_dependencies = rb.get_repository_dependencies_for_changeset_revision()
containers_dict = tsucm.build_repository_containers(repository,
changeset,
repository_dependencies,
repository_metadata)
found_tool = None
for folder in containers_dict['valid_tools'].folders:
if hasattr(folder, 'valid_tools'):
for tool in folder.valid_tools:
tool.id = tool.tool_id
tool_guid = suc.generate_tool_guid(repository_clone_url, tool)
if tool_guid == guid:
found_tool = tool
break
if found_tool is None:
message = 'Unable to find tool with guid %s in repository %s.' % (guid, repository.name)
trans.response.status = 404
return {'status': 'error', 'message': message}
with ValidationContext.from_app(trans.app) as validation_context:
tv = tool_validator.ToolValidator(validation_context)
repository, tool, valid, message = tv.load_tool_from_changeset_revision(tsr_id,
changeset,
found_tool.tool_config)
if message or not valid:
status = 'error'
return dict(message=message, status=status)
tool_help = ''
if tool.help:
tool_help = tool.help.render(static_path=web.url_for('/static'), host_url=web.url_for('/', qualified=True))
tool_help = util.unicodify(tool_help, 'utf-8')
tool_dict = tool.to_dict(trans)
tool_dict['inputs'] = {}
tool.populate_model(trans, tool.inputs, {}, tool_dict['inputs'])
tool_dict.update({
'help' : tool_help,
'citations' : bool(tool.citations),
'biostar_url' : trans.app.config.biostar_url,
'requirements' : [{'name' : r.name, 'version' : r.version} for r in tool.requirements],
'state_inputs' : params_to_strings(tool.inputs, {}, trans.app),
'display' : tool.display_interface,
'action' : web.url_for(tool.action),
'method' : tool.method,
'enctype' : tool.enctype
})
return json.dumps(tool_dict)